Hello all I would like to replace the (broken) HHD in my old mbp from mid 2007 with a 160GB SSD. I do have the following questions/concerns: Which is the size of the SSD I need? (1.8 or 2.5") Do i need special/other connection plugs? How does the complete process work? Any dangerous parts? Does any vids are recommend? Many thanks for helpful advices!